Re: Help, my 4423’s rubber gas cap is melting

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September 24, 2017 at 5:04 am #65304
Mumbles
Participant

    The 4423-25 caps seem to shrink and distort with time so what I did was make new ones out of black Delrin (Acetal). It was trial and error turning them but they fit the tanks grommet snuggly now and don’t leak. I can’t find any photos of them but a buddy with a lathe could make one up quite easily for you. A box of Bud in return would make it a ‘flat rate’ job.